Liberty, Wrangler 2006-2007

Relieving Fuel System Pressure

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  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Disconnect the Water In Fuel (WIF) sensor wiring harness connector.
  6.  
  7. Drain the fuel filter/water separator.
  8.  
  9. Unscrew the filter assembly from the head assembly by rotating the housing counterclockwise.
  10.  
  11. Separate the WIF sensor and seal from the housing by rotating counterclockwise
  12.  

To install:

  1. Lubricate the fuel filter seal with clean diesel fuel.
  2.  
  3. Install the WIF sensor hand tight .
  4.  
  5. Screw filter assembly onto the fuel filter/water separator head. Tighten filter to 159 in. lbs. (18 Nm).
  6.  
  7. Connect the WIF wiring harness connector.
  8.  
  9. Prime the fuel system.
  10.  
  11. Start the engine and allow to warm.
  12.  
  13. Turn engine off and inspect for leaks.
  14.  

 
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